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let arr = []
for(i in strin){
arr.push(strin[i]['statisticsNum'])
}
var numArr = arr.map(function(str) {
return parseInt(str);
});
numArr.sort(function(a, b) {
return a - b;
});
console.log(numArr)
function findMaxDiff(arr) {
// 将数组按照升序排列
arr.sort(function(a, b) {
return a - b;
});
var maxDiff = 0;
var index1 = 0;
var index2 = 1;
// 遍历数组找到相邻两个元素差值最大的一组
while (index2 < arr.length) {
var diff = arr[index2] - arr[index1];
if (diff > maxDiff) {
// if(diff == 172){
// console.log(arr[index2],'')
// }
maxDiff = diff;
}
index1++;
index2++;
}
return maxDiff;
}
var diffs = [];
for (var i = 0; i < numArr.length - 1; i++) {
var diff = arr[i+1] - arr[i];
diffs.push(diff);
}
// 计算差值的平均值
var sum = diffs.reduce(function(prev, curr) {
return prev + curr;
});
var avgDiff = sum / diffs.length;
console.log(avgDiff,'平均值')
// var arr = [3, 10, 2, 8, 4, 5];
var maxDiff = findMaxDiff(numArr);
console.log(maxDiff,'最大值'); // 输出结果为 8
console